Tool holder



FIG. 1 is an upper perspective view of a tool holder showing my new design.

FIG. 2 is a front elevation view thereof, a rear elevation view being identical;

FIG. 3 is a side elevation view thereof, an opposite side elevation view being identical;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view; and,

FIG. 6 is another upper perspective view of the tool holder.

The features presented in broken lines in FIG. 6 represent unclaimed portions of the tool holder and form no part of the claimed design. 

CLAIM The ornamental design for a tool holder, as shown and described. 